In 2026, the top cold-climate mini splits hit 24 SEER2 efficiency and keep...

https://mike-wiki.win/index.php/What_is_the_Real_Weekend_Workload_for_Installing_a_DIY_Mini_Split%3F

In 2026, the top cold-climate mini splits hit 24 SEER2 efficiency and keep heating down to -22°F. DIY-friendly models offer $1,500-$3,000 in install savings with easy 8-75 ft line set ranges